PennEngineering® Large Knob, Spring-loaded - Types PF11MW and PF12MW - Unified PF12MW-440-1-1-2

The PF12MW is a spring-loaded, flare-mounted, floating captive panel screw with a knurled knob, designed for applications where mating panel spacing is not acceptable. It features an external thread compliant with ASME B1.1, 2A / ASME B1.13M, 6g, and is constructed with an aluminum knob and retainer, hardened carbon steel screw, and 300 series stainless steel spring and washer. The part installs into sheet metal with a minimum thickness of 0.063 in and provides a floating range of 0.073 in. The #4-40 thread size has a total length of 0.312 in and requires a #1 Phillips driver. Mating washers are included. The component is rated for installation into any panel hardness and compensates for mating hole misalignment.